In 1516 Nicholas Kratzer (age 29) travelled to England and established himself as part of the artistic and scientific circle around Sir Thomas More (age 37).

Hall's Chronicle 1527. 1527... hanged into a chambre faire and large the door whereof was made with masonry, embattled with jasper, and within that a porch with a tipe [?], and crockets gilt, this chamber was raised with stages, five degrees on every side, and railed and coutrera [?] led borne by pillars of azure, full of stars and flower delice of gold, every pillar had at the top a basin silver, wherein stood great branches of white wax, the degrees were all of marble colei [?], and the rails like white marble: in the midst of this chamber, was a gate, the arches whereof stretched from side to side, this arche was figured masonry on water tables with haunses [?] receiving piller [?] wrapped, being Dormants Autike, and over the gate stood the pictures of Hercules, Scipio, Julius, Pompei and such other conquerers, the ventes and embowes were of very strange work, with leaves, balls, and other garnishings, all gold, and in the hole airlie was nothing arche was nothing but fine Bice and gold, the roof of this chamber was cunningly made by the Kinges Astronomer (age 40), for on the ground of the roof, was made the hole earth environed with the sea, like a very map or carte, and by a cunning making of another cloth, the zodiac with the twelve signs, and the fine circles or girdles and the two poles opened on the earth and water compassing the same, and in the zodiac were the twelve signs, curiously made, and above this were made the seven pianettes, as Mars, Jupiter, Sol, Mercurius, Venus, Saturn, and Luna, everyone in their proper houses made according to their properties, that it was a conning thing and a pleasant sight to behold.

Around 1528 Hans Holbein The Younger (age 31). Portrait of Nicholas Kratzer (age 41) surrounded by the tools of his trade, and with an unfinished polyhedral sundial.